Channel adaptive video transmission method, apparatus using the same, and system providing the same
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United States of America Patent
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Apr 15, 2014
Grant Date -
Oct 14, 2010
app pub date -
Apr 13, 2010
filing date -
Apr 13, 2009
priority date (Note) -
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Abstract
A video transmission method is provided, which includes receiving state information from at least one mobile terminal that intends to perform a video stream service through a wireless network, determining a size of an image by selecting a specified spatial layer bit stream on the basis of the state information of the mobile terminal from a plurality of spatial layer bit streams generated at different bit rates during encoding of the bit stream, selecting a specified time and an SNR layer bit stream by increasing or decreasing time of the image and a layer position of the SNR layer bit stream on the basis of network parameters included in the state information of the mobile terminal, and transmitting the bit stream generated by extracting the specified layer bit stream of the selected layer to the mobile terminal.
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